SMT (Surface Mount Technology) component for forehead thermometer

The utility model discloses an SMT patch component for a forehead thermometer, and specifically relates to the PCB field, comprising a PCB, the upper surface of the PCB is provided with an smt patch, the outer surface of the PCB is sleeved with a protection frame, a protection assembly is arranged between the PCB and the protection frame, two sides of the outer surface of the PCB are both provided with two clamping grooves, the clamping grooves are used for fixing one end of the protection assembly, and the other end of the protection assembly is used for fixing the other end of the protection assembly. The outer surface of the smt patch is sleeved with a limiting assembly located on the upper surface of the protection frame, rotating bolts are fixedly installed on the two sides of the lower surface of the limiting assembly, two hinge pieces are fixedly installed between the PCB and the protection frame, and the rotating bolts penetrate through the hinge pieces and extend to the lower surfaces of the hinge pi